Quick Connector

Precautions for use:
Do not use for anything other than fluid.
Do not use on fluids other than the applicable fluid.
Do not exceed the maximum application pressure.
Do not use outside the use temperature range to prevent deformation of the sealing material and easily lead to leakage. 
Do not artificially hit, bend, stretch, to prevent damage.
Do not use in places such as mixed metal powder or sand dust, you can use quick joints here can be used in very harsh conditions, and ensure long service life.
If attached to debris will cause poor work or leakage.
Do not remove the quick connector.